BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 87 58.4%
2 United States 25 16.8%
3 Germany 13 8.7%
4 Hong Kong 7 4.7%
5 Canada 5 3.4%
6 Taiwan 4 2.7%
7 Ukraine 2 1.3%
8 Australia 2 1.3%
9 Russia 2 1.3%
10 United Kingdom 1 0.7%
11 Portugal 1 0.7%